Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 10 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/17/2017   19:31:25   (  -0.28,-135.25) (  -0.22,-135.67)   46.29                80
 10/19/2017   19:21:52   (  -0.28,-135.21) (  -0.83,-132.70)  285.83                80
 10/20/2017   07:43:15   (   0.27,-135.19) (  -0.32,-137.88)  307.13                80
 10/22/2017   07:28:22   (   0.27,-135.14) (   0.30,-134.92)   24.19                80
 10/24/2017   07:16:09   (   0.27,-135.08) (   0.93,-131.96)  354.82                80
 10/24/2017   19:37:24   (  -0.26,-135.08) (   0.18,-137.11)  232.08                80
 10/26/2017   19:27:51   (  -0.26,-135.01) (  -0.46,-134.15)   98.10                80
 10/27/2017   07:49:14   (   0.25,-135.00) (  -0.68,-139.34)  493.57                80
 10/28/2017   19:15:37   (  -0.25,-134.95) (  -1.04,-131.18)  427.75                80
 10/29/2017   07:37:01   (   0.25,-134.93) (  -0.04,-136.38)  164.23                80